GitLab

Corrections in the parsing of arguments
Correcting the Jacobian of Fresnel functions

 * data2gnuplot: I removed the plugin manager call to have the same
   parametrizations for data and function.
 * function_blinn: correction of an issue in the parsing

from the core

solver too. It doesn't produce better fits though.

the normalization factor.

of the nlopt solver instead of MMA.

Adding more functionalities to the Ipopt fitter

Also refactored the code to fit better the current API

costs when convertin from one param to another.